| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [verb] to | 1162 |
|
| 2 | [vb infin] [Wh det] [modal v] [verb] | 142 |
|
| 3 | [vb infin] [Wh det] [verb] to | 139 |
|
| 4 | [vb infin] [modal v] [verb] to | 23 |
|
